PHP short-ternary ("Elvis") operator vs null coalescing operator
The PHP 7.0 migration docs has this to say: The null coalescing operator (??) has been added as syntactic sugar for the common case of needing to use a ternary in conjunction with isset ().
How do the PHP equality (== double equals) and identity (=== triple ...
PHP Double Equals == equality chart: PHP Triple Equals === Equality chart: Source code to create these images: PHP equality charts Guru Meditation Those who wish to keep their sanity, read no …
syntax - What does "->" or "=>" mean in PHP? - Stack Overflow
2024年6月2日 · since PHP 7.4 => operator is also used for the arrow functions, a more concise syntax for anonymous functions. since PHP 8.0 => operator is also used to define hands in the match …
Start learning PHP — Useful resources for beginners and advanced
2023年10月28日 · Start learning PHP — Useful resources for beginners and advanced! If you're wondering where to start from learning the PHP language or needing some more knowledge to deep …
syntax - What are the PHP operators "?" and - Stack Overflow
2015年11月29日 · As of PHP 5.3: Since PHP 5.3, it is possible to leave out the middle part of the ternary operator. Expression expr1 ?: expr3 returns expr1 if expr1 evaluates to TRUE, and expr3 otherwise. …
Reference Guide: What does this symbol mean in PHP? (PHP Syntax)
What is this? This is a collection of questions that come up now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. This qu...
syntax - What does '<?=' mean in PHP? - Stack Overflow
26 Since it wouldn't add any value to repeat that it means echo, I thought you'd like to see what means in PHP exactly:
What is the use of the @ symbol in PHP? - Stack Overflow
2009年6月23日 · Like already some answered before: The @ operator suppresses all errors in PHP, including notices, warnings and even critical errors. BUT: Please, really do not use the @ operator at …
What's the difference between :: (double colon) and -> (arrow) in PHP?
2010年7月4日 · The difference between static and instantiated methods and properties seem to be one of the biggest obstacles to those just starting out with OOP PHP in PHP 5. The double colon …
php - Logical Operators, || or OR? - Stack Overflow
2019年12月27日 · I remember reading a while back in regards to logical operators that in the case of OR, using || was better than or (or vice versa). I just had to use this in my project when it came back …